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Finding the Third Proportional to 2,135.75 and 4,629.25

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Solution

The third proportional to 2,135.75 and 4,629.25 is: 10,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.75 : 4,629.25 = 4,629.25 : x
  2. Step 2: Convert to fraction form
    2,135.75/4,629.25 = 4,629.25/x
  3. Step 3: Cross multiply
    2,135.75x = 4,629.25 × 4,629.25
  4. Step 4: Simplify right side
    2,135.75x = 21,429,955.56
  5. Step 5: Solve for x
    x = 21,429,955.56/2,135.75
  6. Step 6: Final answer
    x = 10,033.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.